Hydrogen

Atomic no.of Hydrogen is

• 1

• 2

• 3

• 4

Hydrogen was first prepared by

• Robert

• Robert Boyle

• Dalton

_____________________names / coined the term Hydrogen.

• Robert Boyle

• Dalton

• Lavoisier

During electrolysis of water , hydrogen is collected at

• anode

• cathode

• positive electrode

_______________________electrodes are used during electrolysis of water.

• Graphite

• platinum

• Mercury

Nitric acid and hydrochloric acid are

• weak electrolyte

• strong electrolyte

• none

During electrolysis of water oxygen is collected at

• anode

• cathode

• none

Current enters the electrolyte through the

• cathode

• anode

• none

Current leaves the electrolyte through the

• cathode

• anode

• none

Tags

NGSS.HS-PS3-5

Granulated zinc is preferred over other metals because it

• contains copper which acts a catalyst

• contains iron

• none